Recent challenges haven't shaken my confidence in the fintech company's long-term prospects.Over the past few years, PayPal (PYPL 0.05%) has faced slowing revenue and user growth, increased competition, and an uncertain macroeconomic environment, all of which have contributed to its stock lagging that broader market. The fintech specialist isn't out of the woods yet, but in my view, it can bounce back. As a shareholder, there is one key reason I intend to stick with PayPal for the long term. The importance ...